.045 | .065 | .080 | .100 Chromes, high finish ribbon wound, flat wound, super long scale ECB81-5SL, the 5-string super long version of D'Addario's best-selling flatwound bass strings, are known for their warm, mellow tone and smooth polished feel. With the addition of a .132 low B, ECB81-5SL Chromes deliver a deep, rich low bottom end which makes them the flat wound choice of jazz, R&B, and pop musicians. Fits super long scale basses with a string scale length of up to 38 inches. D'Addario Chrome's bass strings are wound with flattened stainless steel ribbon wire which is polished to an incredibly smooth surface. Delivering a distinctive damped, but tone-rich sound that only flatwounds can produce, D'Addario Chromes are the world's most popular flatwound strings. - Super long 5-string version of D'Addario's best-selling flatwound bass guitar set - Ribbon wound and polished for ultra-smooth feel and warm, mellow tone - Fits super long scale basses with a string scale length of up to 38 inches - Made in the USA for the highest quality and performance - String gauges: Wound .045, .065, .080, .100, .132 - Environmentally friendly, corrosion resistant packaging for strings that are always fresh.